Cape May County, New Jersey
17 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-03
For households in Cape May County, the 17 ZIP codes on record show consistently safe tap water.
How Cape May County Compares
How Cape May County Compares
Cape May County scores 14 points above the New Jersey state average (58/100) and 4 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Cape May County, New Jersey
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.4 (asthma 9.5%, diabetes 11.7%)
Estimated additional annual cost per homeowner: $5,734, driven primarily by sea_level
Infrastructure: 0.415% avg pipe failure probability, 67% of ZIPs at high risk
60.5% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Cape May County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 3 violations. Past 5 years: 7 total (7 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $5,734
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
99,694 housing units in Cape May County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Cape May County
Remediation costs are relatively manageable for most homeowners in Cape May County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Cape May County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Cape May County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Middle Twp Water District | 731 | 27 |
| 2 | Lower Twp Mua | 10,315 | 20 |
| 3 | Cedar Springs Mhp Well # | 90 | 16 |
| 4 | Buttonwood Mobile Home Park | 55 | 16 |
| 5 | NJ AMERICAN WATER - OCEAN CITY | 127,000 | 13 |
20 total water systems serve Cape May County.
All ZIP Codes in Cape May County
17 ZIP codes tracked in Cape May County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 8219 | Green Creek | 90 | A | 4 | — |
| 2 | 8223 | Marmora | 88 | A | 2 | $353K |
| 3 | 8212 | Cape May Point | 84 | B | 3 | $987K |
| 4 | 8270 | Woodbine | 84 | B | 11 (3 health) | $299K |
| 5 | 8251 | Villas | 82 | B | 3 | $276K |
| 6 | 8242 | Rio Grande | 78 | B | 10 | $306K |
| 7 | 8202 | Avalon | 75 | B | 0 | $1567K |
| 8 | 8247 | Stone Harbor | 74 | B | 3 | $1774K |
| 9 | 8204 | Cape May | 73 | B | 7 (2 health) | $399K |
| 10 | 8243 | Sea Isle City | 73 | B | 2 | $1020K |
| 11 | 8210 | Cape May Court House | 66 | C | 16 | $338K |
| 12 | 8252 | Whitesboro | 66 | C | 0 | — |
| 13 | 8230 | Ocean View | 65 | C | 0 | $407K |
| 14 | 8250 | Tuckahoe | 65 | C | 0 | — |
| 15 | 8248 | Strathmere | 55 | C | 0 | $934K |
| 16 | 8226 | Ocean City | 50 | D | 0 | $719K |
| 17 | 8260 | Wildwood | 50 | D | 0 | $441K |
Recommended Buyer Guides for Cape May County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 60.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Cape May County, New Jersey
Overview
Cape May County in New Jersey covers 17 ZIP codes with an average Home Safety Score of B (72/100).
10 of 17 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to New Jersey water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.